If you like "Ex Machina," you're probably fascinated by cerebral explorations of artificial intelligence and the ethical boundaries between human and machine. "Ex Machina" is a 2014 science fiction thriller directed by Alex Garland. The film follows Caleb Smith, a young programmer who is selected to participate in a groundbreaking experiment involving Ava, a highly advanced humanoid robot. As Caleb interacts with Ava, he becomes entangled in a complex web of emotions …